101253551 has 6 divisors (see below), whose sum is σ = 117784800. Its totient is φ = 86788716.

The previous prime is 101253517. The next prime is 101253553. The reversal of 101253551 is 155352101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-101253551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101253553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1033151 + ... + 1033248.

It is an arithmetic number, because the mean of its divisors is an integer number (19630800).

Almost surely, 2^101253551 is an apocalyptic number.

101253551 is a deficient number, since it is larger than the sum of its proper divisors (16531249).

101253551 is an equidigital number, since it uses as much as digits as its factorization.

101253551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066413 (or 2066406 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 101253551 is about 10062.4823478106. The cubic root of 101253551 is about 466.0903246109.

The spelling of 101253551 in words is "one hundred one million, two hundred fifty-three thousand, five hundred fifty-one".